142112021043 has 16 divisors (see below), whose sum is σ = 192873610656. Its totient is φ = 93050480640.

The previous prime is 142112021039. The next prime is 142112021053. The reversal of 142112021043 is 340120211241.

It is not a de Polignac number, because 142112021043 - 2² = 142112021039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142112021053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449646 + ... + 697427.

It is an arithmetic number, because the mean of its divisors is an integer number (12054600666).

Almost surely, 2^142112021043 is an apocalyptic number.

142112021043 is a deficient number, since it is larger than the sum of its proper divisors (50761589613).

142112021043 is a wasteful number, since it uses less digits than its factorization.

142112021043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147814.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 142112021043 its reverse (340120211241), we get a palindrome (482232232284).

The spelling of 142112021043 in words is "one hundred forty-two billion, one hundred twelve million, twenty-one thousand, forty-three".